mixed_layer

 PI:             Wilford Gardner, Jan Gundersen  (temperature-based)
                 John Morrison (density-based)
 dataset:        Mixed layer depths
 project/cruise: Arabian Sea Process Cruise 1, TTN-050
 ship:           Thomas Thompson 
 
 PI Notes
 PI Notes on density vs. temperature calculation

  Parameters          Descriptions                               Units

  event               event number, from event log
  sta_std             Arabian Sea standard station identifier
  sta                 station number
  cast                CTD cast number
  MLD_0d1_t           depth of mixed layer based on              meters
                        a .1 deg. C change in temperature
  MLD_0d5_t           depth of mixed layer based on              meters
                        a .5 deg. C change in temperature
  depth_start_temp    starting depth used in computation         meters
                        based on temperature
  MLD_0d03_dp         depth of mixed layer based on              decibars
                        a .03kg/m^3 change in density
  MLD_0d05_dp         depth of mixed layer based on              decibars
                        a .05kg/m^3 change in density
  MLD_0d125_dp        depth of mixed layer based on              decibars
                        a .125kg/m^3 change in density
  MLD_0d25_dp         depth of mixed layer based on              decibars
                        a .25kg/m^3 change in density
  depth_start_dens    starting depth used in computation         decibars
                        based on density